Effect of tetraphenylboron (Ph4B), a negative quaternary, on muscle contraction and enzyme action: a new view of activation and blockade of cholinergic receptors.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001665:Binding Sites; D001896:Boron Compounds / Q000494:pharmacology*; D006168:Guinea Pigs; D009119:Muscle Contraction / Q000187:drug effects*; D051381:Rats; D011955:Receptors, Drug
D001896:Boron Compounds; D011955:Receptors, Drug; D000109:Acetylcholine